Converter Evaluation and Development (CED) Board EVAL-CED1Z

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1 Converter Evaluation and Development (CED) Board FEATURES Interfaces to multiple serial and parallel precision converter evaluation boards Supports high-speed LVDS interface 32MB SDRAM 4MB SRAM USB 2.0 connection to PC User reprogrammable Altera Cyclone FPGA Provides 8 separate power supplies Connects directly to Blackfin Ez-Kit APPLICATIONS Evaluating Precision Converters Creation of demonstration systems Prototyping of end-user systems GENERAL DESCRIPTION The CED1 board is part of a next generation platform from Analog Devices Inc., intended for use in evaluation, demonstration and development of systems using Analog Devices precision converters. It provides the necessary communications between the converter and the PC, programming or controlling the device, transmitting or receiving data over a USB link. PACKAGE CONTENTS CED Board USB A to Mini-B cable 7 Volt 15W Power Supply. FUNCTIONAL BLOCK DIAGRAM Figure 1. Rev. PrA Evaluation boards are only intended for device evaluation and not for production purposes. Evaluation boards are supplied as is and without warranties of any kind, express, implied, or statutory including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose. No license is granted by implication or otherwise under any patents or other intellectual property by application or use of evaluation boards. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Analog Devices reserves the right to change devices or specifications at any time without notice. Trademarks and registered trademarks are the property of their respective owners. Evaluation boards are not authorized to be used in life support devices or systems. One Technology Way, P.O. Box 9106, Norwood, MA , U.S.A. Tel: Fax: Analog Devices, Inc. All rights reserved.

2 TABLE OF CONTENTS Features... 1 Applications... 1 General Description... 1 Package Contents... 1 Functional Block Diagram... 1 Revision History... 2 General Description... 3 Connectors... 4 J5 LVDS Connector... 4 J1 Mini USB B connector... 5 J2 2-pin screw terminal power connector... 5 J4 DC Power Connector... 5 Preliminary Technical Data J6 FPGA JTAG Connector...5 J8, 9, 10 3x 90-way Blackfin Ez-Kit connectors...5 J3 96-way DIN41612 Connector...5 J7 Analog Power Connector...8 J12 SPORT Interface...8 J13 SPI Interface...9 J14 PPI Interface...9 Connector Part Numbers...9 Power Supplies Schematics Ordering Guide ESD Caution REVISION HISTORY 7/07 Revision 0: Initial Revision Rev. PrA Page 2 of 24

3 GENERAL DESCRIPTION The Converter Evaluation and Development board is intended to assist system designers evaluate and prototype systems utilizing precision converter components from Analog Devices. It provides a means to read and write data, control and program devices from a PC via a high-speed USB 2.0 connection. Due to its design, the CED1 can handle interfacing to multiple devices simultaneously for users who may wish to prototype their system utilizing proven hardware components from Analog Devices. The reconfigurable FPGA-based architecture of the board allows the FPGA to be reprogrammed at any time via the USB connection. This allows the user to develop and run their own code to accomplish their desired task. The many interfacing options accommodate connection to a wide range of precision converter evaluation boards in different form factors. Three standard 0.1-inch pitch headers are available, supporting SPI, SPORT and parallel functionality. A 96-way connector provides links to multiple interfaces and power supplies simultaneously. LVDS is supported through a dedicated connector designed for data pairs with individual grounds. For developments that require a processor as well as an FPGA, the CED1 board provides the means to connect directly to a Blackfin EZ-Kit. Three 90-way connectors present on the board mate directly with the Blackfin Ez-Kit allowing the development of very powerful systems and demonstrations. To help minimize the amount of external equipment needed to run a system successfully, the CED board provides eight separate power supplies made available for external connection. The details of these supplies and their current ratings are contained in the Power Supply section of this document. The CED board requires a single 7V, 15W supply which ships with the board. The user may also connect a bench-top supply providing it can source a minimum current of 2A. Status LEDs USB Connector DC Power Connectors Reset Switch 90-way connector SPI Interface SPORT Interface 90-way connector Cyclone FPGA 90-way connector PPI Interface 32MB SDRAM 2MB SRAM 2MB SRAM Analog Power LVDS Connector 96-way Connector Figure 2. Major Component Locations Rev. PrA Page 3 of 24

4 CONNECTORS Many connectors are provided on the CED board to facilitate design and attachment of a range of different form factor converter boards. Due to the number of connections available on the FPGA, certain signals on different connectors are shared and replicated across different connectors. All signals have been named to assist the user in identifying the shared signals and to which group they belong. SPI signals begin with SPI_xxx, SPORT signals begin with SPORT_xxx and parallel/ppi signals begin with PAR_xxx/PPI_xxx. More details of these signals are given in the relevant connector sections. Preliminary Technical Data and transmit clocks. Control of any high-speed device is normally achieved over an interface separate to the data. For this purpose, the SPI and some parallel control signals are also routed over this connector. With the inclusion of three power supplies, this connector provides the flexibility to interface to many LVDS converters. Details of the pin-out of this connector are given in Table 1. J5 LVDS CONNECTOR If connecting the CED1 to a high-speed LVDS converter evaluation board, this connector should be used. The connector provides for four differential receive and four differential transmit data pairs in addition to separate differential receive Figure 3. LVDS Connector pin locations Table 1. LVDS Connector pin out Pin Num Pin Name Description 1A, 1B +VarA Variable voltage analog power supply. See power supply section for more details. 1C, 1D CLKOUT+/- Differential Clock Output 2A PAR_CS0 Parallel Chip Select 0 2B PAR_RD Parallel Read Strobe C2-9, D2-7 Dx+/- Differential Data Receive or Transmit Pair. By default the CED board is configured for 4 receive pairs (D0-3) and 4 transmit pairs (D4-7). These can be reconfigured by changing the termination resistors on the CED board. See schematics for more details. A3-6 SPI_SELx SPI Peripheral Chip Select B3 PAR_WR Parallel Write Strobe B4 SPI_MISO SPI Master In, Slave Out Data line B5 SPI_MOSI SPI Master Out, Slave In Data line B6 SPI_CLK SPI Clock A7 TMR0/PPI_FS2 Timer 0 or Frame Sync 2 for PPI usage B7 GPIO3/TMR1/PPI_FS1 General Purpose I/O, Timer 1 or Frame Sync 2 for PPI usage A8 RXINT/GPIO2/PPI_FS3 Receive Interrupt, General Purpose I/O or Frame Sync 3 for PPI usage B8 GPIO4/PAR_A0 General Purpose I/0 or parallel address LSb A9, B9 +3.3VD_Edge +3.3V Digital power supply A10, B10 +VarD Variable voltage digital power supply. See power supply section for more details. C10, D10 CLKIN+/- Differential Clock Input pair Rev. PrA Page 4 of 24

5 J1 MINI USB B CONNECTOR This is used to connect the CED1 to the PC for control and data transfer J2 2-PIN SCREW TERMINAL POWER CONNECTOR This connector is used when powering the CED board with a lab supply. Care must be taken to ensure the external supply is connected with the correct polarity. J4 DC POWER CONNECTOR When using the CED1 with the supplied power supply, the DC plug should be connected here. The polarity for this connector is centre positive. J6 FPGA JTAG CONNECTOR This can be used with Altera SignalTap Logic Analyzer and appropriate hardware to assist with FPGA development and debug. J8, 9, WAY BLACKFIN EZ-KIT CONNECTORS These three connectors bring across most of the peripheral signals from the Blackfin Ez-Kit directly into the FPGA where they can be used directly or rerouted to the other connectors. Additional processor or microcontroller boards could be designed and connected here if the user wished to add a processor to the design. See the Blackfin Ez-Kit manual for details of these connectors. J3 96-WAY DIN41612 CONNECTOR This connector has traditionally appeared on most precision ADC evaluation boards. It contains SPI, SPORT and Parallel signals as well as programmable digital and 5 separate analog power supplies. Pin out for this connector is shown in Table 2. Figure way connector pin locations Table way connector pin-out Pin Num Pin Name Description A1 B1 C1 A2 SPORT_DT1PRI/ SPI_MOSI/PAR_D16 GPIO3/TMR1/ PPI_FS1 SPORT_DR1PRI/ SPI_MISO/PAR_D19 SPORT_TFS1/ SPI_SEL0/PAR_D17 Sport1 Data Transmit Primary. SPI Master Out, Slave In data line. Parallel Data bit 16. General Purpose I/O bit 3. Timer 1. Parallel Peripheral Interface Frame Sync 1. Sport 1 Data Receive Primary. SPI Master In, Slave Out data line. Parallel Data bit 19. Sport 1 Transmit Frame Sync. SPI Peripheral Chip Select 0. Parallel Data bit 17. B2 PAR_D0 Parallel Data bit 0 (LSb) C2 A3 SPORT_RFS1/ SPI_SEL1/PAR_D20 SPORT_TSCLK1/ SPI_CLK/PAR_D18 Sport 1 Receive Frame Sync. SPI Peripheral Chip Select 1. Parallel Data bit 20. Sport 1 Transmit Serial Clock. SPI Clock. Parallel Data bit 18. B3 PAR_D1 Parallel Data bit 1. C3 SPORT_RSCLK1/ SPI_CLK/PAR_D21 Sport 1 Receive Clock. SPI Clock. Parallel Data bit 21. A4, B4, C4 DGND Digital Ground A5 SPORT_DT0PRI/ SPI_SEL7 Sport 0 Data Transmit Primary. SPI Peripheral Chip Select 7 B5 PAR_D2 Parallel Data bit 2 Rev. PrA Page 5 of 24

6 Preliminary Technical Data C5 A6 SPORT_DR0PRI/ SPI_SEL4 SPORT_TFS0/ SPI_SEL6 Sport 0 Data Receive Primary. SPI Peripheral Chip Select 4 Sport 0 Transmit Frame Sync. SPI Peripheral Chip Select 6 B6 PAR_D3 Parallel Data bit 3 C6 A7 SPORT_RFS0/ SPI_SEL3 SPORT_TSCLK0/ SPI_SEL5 Sport 0 Receive Frame Sync. SPI Peripheral Chip Select 3 Sport 0 Transmit Serial Clock. SPI Peripheral Chip Select 5 B7 PAR_D4 Parallel Data bit 4 C7 SPORT_RSCLK0/ SPI_SEL2 SPORT 0 Receive Serial Clock. SPI Peripheral Chip Select 2 A8, B8, C8 +VarD (DVDD) Variable Digital Power Supply. See Power Supply section for further details. A9 PAR_RD Parallel Read Strobe B9 PAR_D5 Parallel Data bit 5 C9 PAR_WR Parallel Write Strobe A10 PAR_D22/PAR_A7 Parallel Data bit 22. Parallel Address bit 7 (MSb) B10 PAR_D6 Parallel Data bit 5 C10 PAR_CS0 Parallel Chip Select 0 A11 SPORT_DT0SEC/ PAR_CS1/PAR_A5 Sport 0 Data Transmit Secondary. Parallel Chip Select 1. Parallel Address bit 5 B11 PAR_D7 Parallel Data bit 7 C11 GPIO6/PAR_D23/ PAR_A6 General Purpose I/O bit 6. Parallel Data bit 23. Parallel Address bit 6 A12, B12, C12 DGND Digital Ground A13 TWI_SDA/PAR_CS3/ PAR_A3 Two Wire Interface Serial Data. Parallel Chip Select 3. Parallel Address bit 3 B13 PAR_D8 Parallel Data bit 8 C13 SPORT_DR0SEC/ PAR_CS2/PAR_A4 Sport 0 Data Receive Secondary. Parallel Chip Select 2. Parallel Address bit 4 A14 GPIO5/PAR_A1 General Purpose I/O bit 5. Parallel Address bit 1 B14 PAR_D9 Parallel Data bit 9 C14 TWI_SCL/GPIO7/ PAR_A2 Two Wire Interface Serial Clock. General Purpose I/O bit 7 (MSb). Parallel Address bit 2 A15 GPIO0 General Purpose I/O bit 0 (LSb) B15 PAR_D10 Parallel Data bit 10 C15 GPIO4/PAR_A0 General Purpose I/O bit 4. Parallel Address bit 0 (LSb) A16, B16, C16 DGND Digital Ground Rev. PrA Page 6 of 24

7 A17 TMR0/PPI_FS2 Timer 0. Parallel Peripheral Interface Frame Sync 2 B17 PAR_D11 Parallel Data bit 11 C17 RXINT/GPIO2/ PPI_FS3 Receive Data Interrupt. General Purpose I/O bit 2. Parallel Peripheral Interface Frame Sync 3 A18 PAR_D12 Parallel Data bit 12 B18 PAR_D13 Parallel Data bit 13 C18 PAR_D14 Parallel Data bit 14 A19 CLKOUT Clock Output B19 GPIO1 General Purpose I/O bit 1 C19 PAR_D15 Parallel Data bit 15 A20, B20, C20 DGND Digital Ground A21-26, B21-26, C21-26 AGND Analog Ground A27, C27 +VarA Variable Analog Power Supply. See Power Supply section for further details. B27 AGND Analog Ground A28 N/C No Connect. Do not use this pin. B28 AGND Analog Ground C28 N/C No Connect. Do not use this pin. A29, B29, C29 AGND Analog Ground A30-12VA -12V Analog Power Supply. See Power Supply section for further details. B30 AGND Analog Ground C30 +12VA +12V Analog Power Supply. See Power Supply section for further details. A31, B31, C31-5VA (AVSS) -5V Analog Power Supply. See Power Supply section for further details. A32, B32, C32 +5VA (AVDD) +5V Analog Power Supply. See Power Supply section for further details. Rev. PrA Page 7 of 24

8 J7 ANALOG POWER CONNECTOR If any analog power supplies are required on boards connected to the CED1 via any connector other than the J3 (96-way), they can be taken from this pin header. Pin-out details of this connector are given in Table 3. Further details of the power supplies are given in the following section. J12 SPORT INTERFACE This standard two row, 0.1-inch connector can be used to connect any daughter board that utilizes the SPORT interface. This connector also contains all the SPI and Two Wire Interface (TWI) signals as well as 5V, 3.3V and the +7V CED board supply. See Table 4 for details. The pin-out of this connector is compatible with the Blackfin Stamp and Ez-Kit SPORT connector. More information on the pin names is given in the section detailing the 96-way connector. Figure 5. Analog Power Connector Pin Locations Table 3. Analog Power Connector pin-out Pin Function Description No 1 +12VA_Edge +12V Analog Supply 2-12VA_Edge -12V Analog Supply 3, 6, 8 AGND Analog Ground 4 +5VA_Edge +5V Analog Supply 5-5VA_Edge -5V Analog Supply 7 +VarA Variable Voltage Analog Supply. See Power Supply Section for more details. Table 4. SPORT Connector Pin out +5VD_Edge V DGND 3 4 N/C (Keying Pin) RESET 5 6 SPORT_TSCLK0/SPI_SEL5 SPORT_RFS0/SPI_SEL3 7 8 SPORT_DR0PRI/SPI_SEL4 DGND 9 10 SPORT_DR0SEC SPORT_TFS0/SPI_SEL SPORT_DT0SEC +3.3VD_Edge SPORT_DT0PRI/SPI_SEL7 +3.3VD_Edge SPORT_RSCLK0/SPI_SEL2 SPI_SS SPI_MOSI SPI_SEL SPI_MISO SPI_SEL SPI_CLK SPI_SEL TWI_SDA SPI_SEL TWI_SCK SPI_SEL RXINT/GPIO2/PPI_FS3 SPI_SEL GPIO3/TMR1/PPI_FS1 SPI_SEL TMR0/PPI_FS2 DGND DGND Rev. PrA Page 8 of 24

9 J13 SPI INTERFACE Using the SPI connector instead of the SPORT should only be considered when the user is satisfied that the device being connected is completely compatible with the SPI specification. This implies that only 8- or 16-bit active low framing is required. See Table 5 for pin-out details of this connector. This connector is compatible with the SPI connector on the Blackfin Stamp and Ez-Kits. More information on the pin names is given in the section detailing the 96-way connector. Table 5. SPI Connector Pin out +5VD_Edge VD_Edge +5VD_Edge VD_Edge SPI_MOSI 5 6 SPI_MISO RESET 7 8 SPI_CLK SPI_SEL SPI_SS SPI_SEL SPI_SEL2 SPI_SEL SPI_SEL4 SPI_SEL SPI_SEL6 N/C (Keying Pin) DGND +7V DGND J14 PPI INTERFACE This connector is intended to allow attachment of daughter boards designed to connect to the PPI Connector on the Blackfin Stamp and Ez-Kit. However, with the signals provided, it should be possible to connect to most parallel interface devices needing up to 16 data bits and multiple control signals. The inclusion of the SPI signals on this connector allows for separate data and configuration interfaces if required. See Table 6 for details of this connector. More information on the pin names is given in the section detailing the 96-way connector. Table 6. PPI Connector Pin out +5VD_Edge V +5VD_Edge 3 4 N/C (Keying Pin) +3.3VD_Edge 5 6 CLKOUTP_EXT +3.3VD_Edge 7 8 PAR_D0 PAR_D PAR_D2 PAR_D PAR_D4 PAR_D PAR_D6 PAR_D PAR_D8 PAR_D PAR_D10 PAR_D PAR_D12 PAR_D PAR_D14 PAR_D SPI_SEL3 SPI_SEL SPI_SEL1 SPI_SS RESET RxInt/GPIO2/PPI_FS SPI_MOSI GPIO3/TMR1/PPI_FS SPI_MISO TMR0/PPI_FS SPI_CLK DGND TWI_SDA DGND TWI_SCK DGND DGND CONNECTOR PART NUMBERS Table 7. Connector Part Numbers Ref. Des. Description Manufacturer Part Number Mating Connector J1 USB Mini-B connector Molex Standard Mini-B USB Cable J2 2-pin screw terminal Camden Electronics CTB5000/2 Cables inserted directly J3 96-Way 90 DIN41612 socket Harting J4 DC Barrel connector, 2mm centre Kycon KLDX-SMT A Cliff - DCPP1 (FC68147) J5 LVDS connector Tyco Electronics J6 10-Pin, 2 row standard 0.1 pitch header Harwin M M J way Micro-strip Terminal Samtec TFC-145-X2-FD-A SFC-145-T2-FD-A J12 34-Pin, 2 row standard 0.1 pitch header Harwin M M J13 20-Pin, 2 row standard 0.1 pitch header Harwin M M J14 40-Pin, 2 row standard 0.1 pitch header Harwin M M Rev. PrA Page 9 of 24

10 POWER SUPPLIES The CED board provides multiple power supplies that are made available for use with connected boards. A single 7V supply is required for the CED board and this is used to power the board itself and the supplies for boards connected to it. A resettable 2A fuse limits the current that can be drawn from the supply thus limiting the power consumption of the CED and any attached boards. On it s own without any converter boards attached, the idle current of the CED is approximately 220 ma. When accessing SRAM for example, the current drawn by the CED board itself can increase significantly. Users designing boards to operate with the CED that wish to use the supplies provided must bear in mind the total available power when calculating their power requirements. Preliminary Technical Data While the supplies generated on the CED are kept as clean as possible, designers of boards connected to the CED must ensure that all devices and supplies are adequately decoupled. This will prevent noise being fed back onto the power supplies of the CED. Excessive noise introduced on to the power supplies may cause the CED or attached boards to malfunction. The voltage and current ratings of the supplies listed in Table 8 are defined to be absolute maximum limits. While fuses and thermal overload protection have been provided in the power supply circuitry, attempting to draw more current from a particular supply or exceeding the total power available from a combination of supplies may cause damage to the CED board. Table 8. Power Supplies Name Voltage Max. Current Test Conditions / Comments +VarA +1.5V to +5.5V 300mA Regulation may suffer at lower voltages. -12VA -12V ±5% 100mA Fuse limited at 100mA. +12VA +12V ±5% 100mA Fuse limited at 100mA. -5VA -5V ±5% 100mA Fuse limited at 100mA. +5VA +5V ±5% 500mA Regulator rated for 500mA but thermally limited. +5VD +5V ±5% 500mA Regulator rated for 500mA but thermally limited. +3.3VD +3.3V ±5% 300mA Thermally limited. +VarD +1.5V to +5.5V 300mA Regulation may suffer at lower voltages. +7V +7V ±5% 2A Total current that can be drawn through board including all other supplies. Fuse limited. Rev. PrA Page 10 of 24

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24 Preliminary Technical Data ORDERING GUIDE Model 1 1 Z = RoHS Compliant Part. Description Converter Evaluation and Development Board Ordering Information ESD CAUTION 2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. PR /07(PrA) Rev. PrA Page 24 of 24